base-ball baseball bibliothécairesscientifiques disciplines employeeretention employees employeeselection enlistment etc formation general histoire history informationscience laborsupply languagearts library librarypersonnelmanagement marchédutravail milicenavale navalmilitia newfoundlandandlabrador personeel personnel recruiting reserves réserves rétention scienceandtechnologylibrarians scouting selection technischebibliotheken terre-neuve-et-labrador training trainingof unitedstates werving wetenschappelijkebibliotheken états-unis